When Is The 1st Day Of Winter 2024. For us in the northern hemisphere, the december solstice will mark the longest nights and. Winter solstice takes place on december 21, 2024, in the northern hemisphere and on june 20, 2024, in the southern hemisphere.
Seasons divide the year into four distinct periods of time named spring, summer, autumn/fall, and winter. โ winter solstice, the shortest day of the year and the official first day of winter, is on thursday, december 21, this year (well, for the vast bulk of the americas anyway).